EP2015129A4 - Modulateur optique - Google Patents

Modulateur optique

Info

Publication number
EP2015129A4
EP2015129A4 EP07741958A EP07741958A EP2015129A4 EP 2015129 A4 EP2015129 A4 EP 2015129A4 EP 07741958 A EP07741958 A EP 07741958A EP 07741958 A EP07741958 A EP 07741958A EP 2015129 A4 EP2015129 A4 EP 2015129A4
Authority
EP
European Patent Office
Prior art keywords
optical modulator
modulator
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07741958A
Other languages
German (de)
English (en)
Other versions
EP2015129A1 (fr
Inventor
Kaoru Higuma
Toshio Sakane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Osaka Cement Co Ltd
Original Assignee
Sumitomo Osaka Cement Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Osaka Cement Co Ltd filed Critical Sumitomo Osaka Cement Co Ltd
Publication of EP2015129A1 publication Critical patent/EP2015129A1/fr
Publication of EP2015129A4 publication Critical patent/EP2015129A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/212—Mach-Zehnder type

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
EP07741958A 2006-04-20 2007-04-19 Modulateur optique Withdrawn EP2015129A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006116630A JP4879637B2 (ja) 2006-04-20 2006-04-20 光変調装置
PCT/JP2007/058522 WO2007123175A1 (fr) 2006-04-20 2007-04-19 Modulateur optique

Publications (2)

Publication Number Publication Date
EP2015129A1 EP2015129A1 (fr) 2009-01-14
EP2015129A4 true EP2015129A4 (fr) 2009-04-22

Family

ID=38625076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07741958A Withdrawn EP2015129A4 (fr) 2006-04-20 2007-04-19 Modulateur optique

Country Status (5)

Country Link
US (1) US7773833B2 (fr)
EP (1) EP2015129A4 (fr)
JP (1) JP4879637B2 (fr)
CA (1) CA2649623C (fr)
WO (1) WO2007123175A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5061817B2 (ja) * 2007-09-25 2012-10-31 住友大阪セメント株式会社 光変調装置
JP5390972B2 (ja) * 2009-07-16 2014-01-15 古河電気工業株式会社 光位相変調器および光位相変調装置
WO2012115133A1 (fr) * 2011-02-23 2012-08-30 住友大阪セメント株式会社 Modulateur de lumière
WO2013047829A1 (fr) * 2011-09-30 2013-04-04 住友大阪セメント株式会社 Dispositif de génération de lumière à porteuse supprimée
JP2015191130A (ja) * 2014-03-28 2015-11-02 住友大阪セメント株式会社 光発生装置、及び光発生装置の制御方法
GB201821175D0 (en) * 2018-12-24 2019-02-06 Leonardo Mw Ltd An electro-optical modular

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1335509A2 (fr) * 2002-02-07 2003-08-13 Nippon Telegraph and Telephone Corporation Circuit de transmission optique
JP2005215196A (ja) * 2004-01-28 2005-08-11 Nippon Hoso Kyokai <Nhk> 光変調装置及び光変調方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100306798B1 (ko) 1998-05-29 2001-11-30 박종섭 컬러쉬프트를방지한고개구율및고투과율액정표시장치
JP3481509B2 (ja) 1999-06-16 2003-12-22 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置
KR100482468B1 (ko) 2000-10-10 2005-04-14 비오이 하이디스 테크놀로지 주식회사 프린지 필드 구동 액정 표시 장치
TW575775B (en) 2001-01-29 2004-02-11 Hitachi Ltd Liquid crystal display device
KR100507276B1 (ko) 2001-05-07 2005-08-09 비오이 하이디스 테크놀로지 주식회사 프린지 필드 구동모드 액정표시장치
KR100494701B1 (ko) 2001-12-22 2005-06-13 비오이 하이디스 테크놀로지 주식회사 프린지 필드 스위칭 액정표시장치
JP2003280017A (ja) 2002-03-20 2003-10-02 Hitachi Ltd 液晶表示装置
KR100653474B1 (ko) 2003-09-26 2006-12-04 비오이 하이디스 테크놀로지 주식회사 프린지 필드 스위칭 액정표시장치
JP3937237B2 (ja) 2003-10-10 2007-06-27 独立行政法人情報通信研究機構 光周波数シフトキーイング変調器
KR100620142B1 (ko) 2004-07-20 2006-09-19 비오이 하이디스 테크놀로지 주식회사 프린지 필드 스위칭 모드 액정표시장치
KR100717189B1 (ko) 2004-12-22 2007-05-11 비오이 하이디스 테크놀로지 주식회사 프린지 필드 스위칭 모드 액정표시장치
JP4203676B2 (ja) 2006-09-27 2009-01-07 カシオ計算機株式会社 液晶表示素子

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1335509A2 (fr) * 2002-02-07 2003-08-13 Nippon Telegraph and Telephone Corporation Circuit de transmission optique
JP2005215196A (ja) * 2004-01-28 2005-08-11 Nippon Hoso Kyokai <Nhk> 光変調装置及び光変調方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
KAWANISHI T ET AL: "High Carrier Suppression Double Sideband Modulation Using an Integrated LiNbO<inf>3</inf>Optical Modulator", MICROWAVE PHOTONICS, 2005. MWP 2005. INTERNATIONAL TOPICAL MEETING ON SEOUL, KOREA 12-14 OCT. 2005, PISCATAWAY, NJ, USA,IEEE, 12 October 2005 (2005-10-12), pages 29 - 32, XP010890768, ISBN: 978-89-950043-3-3 *
KAWANISHI T ET AL: "High Extinction Ratio Optical Modulator Using Active Intensity Trimmers", PROCEEDINGS OF THE EUROPEAN CONFERENCE ON OPTICALCOMMUNICATION, XX, XX, vol. 4, 25 September 2005 (2005-09-25), pages 841 - 842, XP003013271 *
NAKATOGAWA T ET AL: "Optical single sideband modulator for distribution of digital broadcasting signals on millimetre-wave band based on self-heterodyne", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 40, no. 21, 14 October 2004 (2004-10-14), pages 1369 - 1370, XP006022743, ISSN: 0013-5194 *
See also references of WO2007123175A1 *

Also Published As

Publication number Publication date
CA2649623A1 (fr) 2007-11-01
JP2007286547A (ja) 2007-11-01
US7773833B2 (en) 2010-08-10
EP2015129A1 (fr) 2009-01-14
US20090097795A1 (en) 2009-04-16
CA2649623C (fr) 2013-07-02
JP4879637B2 (ja) 2012-02-22
WO2007123175A1 (fr) 2007-11-01

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